Finding the Fourth Proportional to 852,936.41, 1,279,847.41 and 347,867.93
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Solution
The fourth proportional to 852,936.41, 1,279,847.41 and 347,867.93 is: 521,982.49
Step by Step Solution
- Step 1: Write the proportion equation
852,936.41 : 1,279,847.41 = 347,867.93 : x - Step 2: Convert to fraction form
852,936.41/1,279,847.41 = 347,867.93/x - Step 3: Cross multiply
852,936.41x = 1,279,847.41 × 347,867.93 - Step 4: Simplify right side
852,936.41x = 445,217,867,493.22 - Step 5: Solve for x
x = 445,217,867,493.22/852,936.41 - Step 6: Final answer
x = 521,982.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.